Jupiter's magnetosphere is the largest single structure inside the Solar System. If you could see it with your eyes, it would appear larger than our full Moon.
8
The earth travels through space at 660,000 miles per hour.
189
If you were to cry in space, the tears would form a bubble in your eye until it's so big it moves to another spot on your face.
10
Any space vehicle must move at a rate of 7 miles per second in order to escape the earth's gravitational pull.
121
Tidal forces between the Earth and Moon are slowing the Earth down and pushing the Moon further away.
46
There's a mysterious dwarf planet between Mars and Jupiter called 'Ceres' which has never been visited by spacecraft or photographed in detail, however, Earth-bound telescopes reveal a large bright shining spot on the surface of this planet, the origin and nature of which are unknown.
5
In space, astronauts cannot cry properly, because there is no gravity, so the tears can't flow down their faces!
175
The volume of the Earth's moon is the same as the volume of the Pacific Ocean.
178